uhk/firmware
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Split InitI2c() as InitI2cMainBus() and initI2cEepromBus() and invoke InitI2cMainBus() from PIT_I2C_WATCHDOG_HANDLER()

Browse Source
This commit is contained in:
László Monda
2017-10-03 20:43:26 +02:00
parent 7061345ec2
commit b5f1bcc4d6
3 changed files with 37 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
right/src/init_peripherals.c
View File

@@ -21,19 +21,8 @@ void InitInterruptPriorities(void)
NVIC_SetPriority(USB0_IRQn, 1);
}
void InitI2c(void)
void InitI2cMainBus(void)
{
port_pin_config_t pinConfig = {
.pullSelect = kPORT_PullUp,
.openDrainEnable = kPORT_OpenDrainEnable
};
i2c_master_config_t masterConfig;
I2C_MasterGetDefaultConfig(&masterConfig);
uint32_t sourceClock;
// Initialize main bus
CLOCK_EnableClock(I2C_MAIN_BUS_SDA_CLOCK);
CLOCK_EnableClock(I2C_MAIN_BUS_SCL_CLOCK);
@@ -92,26 +81,47 @@ void InitI2c(void)
GPIO_WritePinOutput(I2C_MAIN_BUS_SDA_GPIO, I2C_MAIN_BUS_SDA_PIN, 1);
for (volatile uint32_t i=0; i<10000; i++);
pinConfig.mux = I2C_MAIN_BUS_MUX;
port_pin_config_t pinConfig = {
.pullSelect = kPORT_PullUp,
.openDrainEnable = kPORT_OpenDrainEnable,
.mux = I2C_MAIN_BUS_MUX,
};
PORT_SetPinConfig(I2C_MAIN_BUS_SDA_PORT, I2C_MAIN_BUS_SDA_PIN, &pinConfig);
PORT_SetPinConfig(I2C_MAIN_BUS_SCL_PORT, I2C_MAIN_BUS_SCL_PIN, &pinConfig);
i2c_master_config_t masterConfig;
I2C_MasterGetDefaultConfig(&masterConfig);
masterConfig.baudRate_Bps = I2C_MAIN_BUS_BAUD_RATE;
sourceClock = CLOCK_GetFreq(I2C_MASTER_BUS_CLK_SRC);
I2C_MasterInit(I2C_MAIN_BUS_BASEADDR, &masterConfig, sourceClock);
uint32_t sourceClock = CLOCK_GetFreq(I2C_MASTER_BUS_CLK_SRC);
I2C_MasterInit(I2C_MAIN_BUS_BASEADDR, &masterConfig, sourceClock);}
// Initialize EEPROM bus
void initI2cEepromBus(void)
{
port_pin_config_t pinConfig = {
.pullSelect = kPORT_PullUp,
.openDrainEnable = kPORT_OpenDrainEnable,
.mux = I2C_EEPROM_BUS_MUX,
};
CLOCK_EnableClock(I2C_EEPROM_BUS_SDA_CLOCK);
CLOCK_EnableClock(I2C_EEPROM_BUS_SCL_CLOCK);
pinConfig.mux = I2C_EEPROM_BUS_MUX;
PORT_SetPinConfig(I2C_EEPROM_BUS_SDA_PORT, I2C_EEPROM_BUS_SDA_PIN, &pinConfig);
PORT_SetPinConfig(I2C_EEPROM_BUS_SCL_PORT, I2C_EEPROM_BUS_SCL_PIN, &pinConfig);
CLOCK_EnableClock(I2C_EEPROM_BUS_SDA_CLOCK);
CLOCK_EnableClock(I2C_EEPROM_BUS_SCL_CLOCK);
masterConfig.baudRate_Bps = I2C_EEPROM_BUS_BAUD_RATE;
sourceClock = CLOCK_GetFreq(I2C_EEPROM_BUS_CLK_SRC);
I2C_MasterInit(I2C_EEPROM_BUS_BASEADDR, &masterConfig, sourceClock);
PORT_SetPinConfig(I2C_EEPROM_BUS_SDA_PORT, I2C_EEPROM_BUS_SDA_PIN, &pinConfig);
PORT_SetPinConfig(I2C_EEPROM_BUS_SCL_PORT, I2C_EEPROM_BUS_SCL_PIN, &pinConfig);
i2c_master_config_t masterConfig;
I2C_MasterGetDefaultConfig(&masterConfig);
masterConfig.baudRate_Bps = I2C_EEPROM_BUS_BAUD_RATE;
uint32_t sourceClock = CLOCK_GetFreq(I2C_EEPROM_BUS_CLK_SRC);
I2C_MasterInit(I2C_EEPROM_BUS_BASEADDR, &masterConfig, sourceClock);
}
void InitI2c(void)
{
InitI2cMainBus();
initI2cEepromBus();
}
void InitPeripherals(void)